# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
#
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# are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright notice, this list of
#    conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list
#    of conditions and the following disclaimer in the documentation and/or other materials
#    provided with the distribution.
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# 3. Neither the name of the copyright holder nor the names of its contributors may be used
#    to endorse or promote products derived from this software without specific prior written
#    permission.
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TARGET = liteos
BUILD_DIR = $(OUTDIR)

PREFIX = arm-none-eabi-
CC = $(PREFIX)gcc
AS = $(PREFIX)gcc -x assembler-with-cpp
CP = $(PREFIX)objcopy
SZ = $(PREFIX)size

HEX = $(CP) -O ihex
BIN = $(CP) -O binary -S

LDSCRIPT = default.ld

LIBS = -lc -lm -lnosys
LIBDIR = $(BUILD_DIR)/libs
LIBS += $(foreach x,${LIBDIR}, $(wildcard $(addprefix  ${x}/*, .a)))
LDFLAGS = -specs=nano.specs -T$(LDSCRIPT) -L$(LIBDIR) -Wl,--start-group $(LIBS) -Wl,--end-group -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections

all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
$(BUILD_DIR)/$(TARGET).elf:
	$(CC) $(LDFLAGS) -o $@
	$(SZ) $@

$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf
	$(HEX) $< $@

$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf
	$(BIN) $< $@

-include $(wildcard $(BUILD_DIR)/*.d)
